<template>
  <div class="app-container">
    <!--表单组件-->
    <eForm ref="form" :is-add="isAdd" />
    <!--工具栏-->
    <div class="head-container">
      <!-- 搜索 -->
      <el-input
        v-model="query.value"
        clearable
        placeholder="输入名称搜索"
        style="width: 200px;"
        class="filter-item"
        @keyup.enter.native="toQuery"
      />
      <el-button
        class="filter-item"
        size="mini"
        type="success"
        icon="el-icon-search"
        @click="toQuery"
      >搜索</el-button>
      <!-- 新增 -->
      <div
        v-permission="['ADMIN','ROLES_ALL','ROLES_CREATE']"
        style="display: inline-block;margin: 0px 2px;"
      >
        <el-button
          class="filter-item"
          size="mini"
          type="primary"
          icon="el-icon-plus"
          @click="add"
        >新增</el-button>
      </div>
    </div>
    <el-row :gutter="15">
      <!--角色管理-->
      <el-col :xs="24" :sm="24" :md="16" :lg="16" :xl="17">
        <el-card class="box-card" shadow="never">
          <div slot="header" class="clearfix">
            <span class="role-span">角色列表</span>
            <div id="opt" style="float: right">
              <el-radio-group v-model="opt" size="mini">
                <el-radio-button label="菜单分配" />
                <el-radio-button label="权限分配" />
              </el-radio-group>
            </div>
          </div>
          <el-table
            v-loading="loading"
            :data="data"
            highlight-current-row
            size="small"
            style="width: 100%;"
            @current-change="handleCurrentChange"
          >
            <el-table-column prop="name" label="名称" />
            <el-table-column prop="dataScope" label="数据权限" />
            <el-table-column prop="level" label="角色级别" />
            <el-table-column :show-overflow-tooltip="true" prop="remark" label="描述" />
            <el-table-column :show-overflow-tooltip="true" prop="createTime" label="创建日期">
              <template slot-scope="scope">
                <span>{{ parseTime(scope.row.createTime) }}</span>
              </template>
            </el-table-column>
            <el-table-column
              v-if="checkPermission(['ADMIN','ROLES_ALL','ROLES_EDIT','ROLES_DELETE'])"
              label="操作"
              width="130px"
              align="center"
            >
              <template slot-scope="scope">
                <el-button
                  v-permission="['ADMIN','ROLES_ALL','ROLES_EDIT']"
                  size="mini"
                  type="primary"
                  icon="el-icon-edit"
                  @click="edit(scope.row)"
                />
                <el-popover
                  v-permission="['ADMIN','ROLES_ALL','ROLES_DELETE']"
                  :ref="scope.row.id"
                  placement="top"
                  width="180"
                >
                  <p>确定删除本条数据吗？</p>
                  <div style="text-align: right; margin: 0">
                    <el-button size="mini" type="text" @click="$refs[scope.row.id].doClose()">取消</el-button>
                    <el-button
                      :loading="delLoading"
                      type="primary"
                      size="mini"
                      @click="subDelete(scope.row.id)"
                    >确定</el-button>
                  </div>
                  <el-button slot="reference" type="danger" icon="el-icon-delete" size="mini" />
                </el-popover>
              </template>
            </el-table-column>
          </el-table>
          <!--分页组件-->
          <el-pagination
            :total="total"
            :current-page="page + 1"
            style="margin-top: 8px;"
            layout="total, prev, pager, next, sizes, jumper"
            @size-change="sizeChange"
            @current-change="pageChange"
          />
        </el-card>
      </el-col>
      <!-- 授权 -->
      <el-col :xs="24" :sm="24" :md="8" :lg="8" :xl="7">
        <el-card v-show="opt === '菜单分配'" class="box-card" shadow="never">
          <div slot="header" class="clearfix">
            <el-tooltip class="item" effect="dark" content="选择指定角色分配菜单" placement="top">
              <span class="role-span">菜单分配</span>
            </el-tooltip>
            <el-button
              v-permission="['ADMIN','ROLES_ALL','ROLES_EDIT']"
              :disabled="!showButton"
              :loading="menuLoading"
              icon="el-icon-check"
              size="mini"
              style="float: right; padding: 6px 9px"
              type="primary"
              @click="saveMenu"
            >保存</el-button>
          </div>
          <el-tree
            ref="menu"
            :data="menus"
            :default-checked-keys="menuIds"
            :props="defaultProps"
            accordion
            show-checkbox
            node-key="id"
          />
        </el-card>
        <el-card v-show="opt === '权限分配'" class="box-card" shadow="never">
          <div slot="header" class="clearfix">
            <el-tooltip class="item" effect="dark" content="选择指定角色分配权限" placement="top">
              <span class="role-span">权限分配</span>
            </el-tooltip>
            <el-button
              v-permission="['ADMIN','ROLES_ALL','ROLES_EDIT']"
              :disabled="!showButton"
              :loading="permissionLoading"
              icon="el-icon-check"
              size="mini"
              style="float: right; padding: 6px 9px"
              type="primary"
              @click="savePermission"
            >保存</el-button>
          </div>
          <el-tree
            ref="permission"
            :data="permissions"
            :default-checked-keys="permissionIds"
            :props="defaultProps"
            show-checkbox
            accordion
            node-key="id"
          />
        </el-card>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import checkPermission from "@/utils/permission";
import initData from "@/mixins/initData";
import { del } from "@/api/role";
import { getPermissionTree } from "@/api/permission";
import { getMenusTree } from "@/api/menu";
import { parseTime } from "@/utils/index";
import eForm from "./form";
import { editPermission, editMenu, get } from "@/api/role";
export default {
  components: { eForm },
  mixins: [initData],
  data() {
    return {
      defaultProps: {
        children: "children",
        label: "label"
      },
      currentId: 0,
      permissionLoading: false,
      menuLoading: false,
      showButton: false,
      opt: "菜单分配",
      delLoading: false,
      permissions: [],
      permissionIds: [],
      menus: [],
      menuIds: []
    };
  },
  created() {
    this.getPermissions();
    this.getMenus();
    this.$nextTick(() => {
      this.init();
    });
  },
  methods: {
    parseTime,
    checkPermission,
    beforeInit() {
      this.$refs.permission.setCheckedKeys([]);
      this.$refs.menu.setCheckedKeys([]);
      this.showButton = false;
      this.url = "api/roles";
      const sort = "level,asc";
      const query = this.query;
      const value = query.value;
      this.params = { page: this.page, size: this.size, sort: sort };
      if (value) {
        this.params["name"] = value;
      }
      return true;
    },
    subDelete(id) {
      this.delLoading = true;
      del(id)
        .then(res => {
          this.delLoading = false;
          this.$refs[id].doClose();
          this.dleChangePage();
          this.init();
          this.$notify({
            title: "删除成功",
            type: "success",
            duration: 2500
          });
        })
        .catch(err => {
          this.delLoading = false;
          this.$refs[id].doClose();
          console.log(err.response.data.message);
        });
    },
    getPermissions() {
      getPermissionTree().then(res => {
        this.permissions = res;
      });
    },
    getMenus() {
      getMenusTree().then(res => {
        this.menus = res;
      });
    },
    handleCurrentChange(val) {
      if (val) {
        const _this = this;
        // 清空权限与菜单的选中
        this.$refs.permission.setCheckedKeys([]);
        this.$refs.menu.setCheckedKeys([]);
        // 保存当前的角色id
        this.currentId = val.id;
        // 点击后显示按钮
        this.showButton = true;
        // 初始化
        this.menuIds = [];
        this.permissionIds = [];
        // 菜单数据需要特殊处理
        val.menus.forEach(function(data, index) {
          let add = true;
          for (let i = 0; i < val.menus.length; i++) {
            if (data.id === val.menus[i].pid) {
              add = false;
              break;
            }
          }
          if (add) {
            _this.menuIds.push(data.id);
          }
        });
        // 处理权限数据
        val.permissions.forEach(function(data, index) {
          _this.permissionIds.push(data.id);
        });
      }
    },
    savePermission() {
      this.permissionLoading = true;
      const role = { id: this.currentId, permissions: [] };
      this.$refs.permission.getCheckedKeys().forEach(function(data, index) {
        const permission = { id: data };
        role.permissions.push(permission);
      });
      editPermission(role)
        .then(res => {
          this.$notify({
            title: "保存成功",
            type: "success",
            duration: 2500
          });
          this.permissionLoading = false;
          this.update();
        })
        .catch(err => {
          this.permissionLoading = false;
          console.log(err.response.data.message);
        });
    },
    saveMenu() {
      this.menuLoading = true;
      const role = { id: this.currentId, menus: [] };
      // 得到半选的父节点数据，保存起来
      this.$refs.menu.getHalfCheckedNodes().forEach(function(data, index) {
        const permission = { id: data.id };
        role.menus.push(permission);
      });
      // 得到已选中的 key 值
      this.$refs.menu.getCheckedKeys().forEach(function(data, index) {
        const permission = { id: data };
        role.menus.push(permission);
      });
      editMenu(role)
        .then(res => {
          this.$notify({
            title: "保存成功",
            type: "success",
            duration: 2500
          });
          this.menuLoading = false;
          this.update();
        })
        .catch(err => {
          this.menuLoading = false;
          console.log(err.response.data.message);
        });
    },
    update() {
      // 无刷新更新 表格数据
      get(this.currentId).then(res => {
        for (let i = 0; i < this.data.length; i++) {
          if (res.id === this.data[i].id) {
            this.data[i] = res;
            break;
          }
        }
      });
    },
    add() {
      this.isAdd = true;
      this.$refs.form.dialog = true;
    },
    edit(data) {
      this.isAdd = false;
      const _this = this.$refs.form;
      _this.deptIds = [];
      _this.form = {
        id: data.id,
        name: data.name,
        remark: data.remark,
        depts: data.depts,
        dataScope: data.dataScope,
        level: data.level
      };
      if (_this.form.dataScope === "自定义") {
        _this.getDepts();
      }
      for (let i = 0; i < _this.form.depts.length; i++) {
        _this.deptIds[i] = _this.form.depts[i].id;
      }
      _this.dialog = true;
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.role-span {
  font-weight: bold;
  color: #303133;
  font-size: 15px;
}
</style>
